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JEE Main 2002 (AIEEE) · Total Internal Reflection

Total Internal Reflection question from JEE Main 2002 (AIEEE)

Q59JEE Main 2002 · AIEEEEasy

Total Internal Reflection

Which of the following is used in optical fibres?

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Answer: (a)

  1. Light is guided inside an optical fibre by repeated total internal reflection at the core-cladding boundary.
  2. So the answer is (a) total internal reflection.
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